/* Cyclix Agents — 案A「編集誌・スイス風」。紙面・墨・朱の一点。
     全トークンを :root に置き、ダークは同じトークンを塗り替えるだけ。 */
  :root {
    --paper: #faf8f3; --paper-2: #f1ede4; --field: #ffffff;
    --ink: #16150f; --ink-soft: #46433c; --ink-faint: #736f66;
    --rule: #16150f; --hair: #d8d2c4;
    --accent: #c4331b; --accent-ink: #ffffff; --accent-wash: #f6e3dc;
    --ok: #2c6a43; --warn: #8a5f00;
    --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
    --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Consolas, Menlo, monospace;
    --maxw: 1180px;
    --ease: cubic-bezier(.2, .7, .2, 1);
    color-scheme: light;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --paper: #121110; --paper-2: #1b1a17; --field: #191816;
      --ink: #eeeae1; --ink-soft: #c3bdb1; --ink-faint: #948e82;
      --rule: #eeeae1; --hair: #35322c;
      --accent: #f2683f; --accent-ink: #121110; --accent-wash: #2d1a13;
      --ok: #86cc9f; --warn: #e2b65c;
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --paper: #121110; --paper-2: #1b1a17; --field: #191816;
    --ink: #eeeae1; --ink-soft: #c3bdb1; --ink-faint: #948e82;
    --rule: #eeeae1; --hair: #35322c;
    --accent: #f2683f; --accent-ink: #121110; --accent-wash: #2d1a13;
    --ok: #86cc9f; --warn: #e2b65c;
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0; background: var(--paper); color: var(--ink);
    font-family: var(--font-sans); font-size: 16px; line-height: 1.85; letter-spacing: .02em;
    -webkit-font-smoothing: antialiased; font-feature-settings: "palt" 0;
  }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: 32px; }
  @media (max-width: 640px) { .wrap { padding-inline: 16px; } }
  a { color: inherit; text-decoration: none; }
  h1, h2, h3 { margin: 0; font-family: var(--font-serif); font-weight: 700; text-wrap: balance; }
  /* 和文の見出し・大きな文は「文節」で折る（語の途中で割らない）＋約物を詰める */
  h1, h2, h3, .team-big, .contest-lede, .badge-final, .lead, .sub { word-break: auto-phrase; }
  h1, h2, h3, .team-big, .contest-lede, .badge-final { font-feature-settings: "palt" 1; }
  p { margin: 0; }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

  .progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 40; pointer-events: none; }
  .progress > i { display: block; height: 100%; transform-origin: left; transform: scaleX(0); background: var(--accent); }

  .eyebrow { font-family: var(--font-sans); font-size: .72rem; font-weight: 700; letter-spacing: .22em; color: var(--ink);
    margin: 0; display: flex; align-items: center; gap: .8rem; }
  .eyebrow::before { content: counter(sec, decimal-leading-zero); font-family: var(--font-serif); font-size: 1rem;
    letter-spacing: 0; color: var(--accent); font-weight: 700; }
  .kari { font-family: var(--font-sans); font-size: .62rem; letter-spacing: .08em; color: var(--accent);
    border: 1px solid var(--accent); padding: .05em .5em; vertical-align: .2em; margin-left: .5em; font-weight: 700; white-space: nowrap; }

  /* ---- header / masthead ---- */
  header { position: sticky; top: 0; z-index: 30; background: var(--paper); border-bottom: 1px solid var(--rule); }
  .bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding-block: 14px; max-width: var(--maxw); margin: 0 auto; padding-inline: 32px; }
  @media (max-width: 640px) { .bar { padding-inline: 16px; padding-block: 10px; } }
  .brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-serif); font-weight: 800; font-size: 1.14rem; letter-spacing: .01em; flex: none; }
  .logo { width: 24px; height: 24px; flex: none; }
  .navlinks { display: flex; gap: 1.6rem; align-items: center; font-size: .84rem; font-weight: 500; }
  .navlinks a:not(.cta) { position: relative; padding-block: .2rem; color: var(--ink-soft); transition: color .2s ease; }
  .navlinks a:not(.cta)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--accent);
    transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
  .navlinks a:not(.cta):hover { color: var(--ink); }
  .navlinks a:not(.cta):hover::after, .navlinks a:not(.cta):focus-visible::after { transform: scaleX(1); }
  .navlinks .cta { background: var(--ink); color: var(--paper); padding: .55rem 1.05rem; font-weight: 700; font-size: .8rem; letter-spacing: .08em;
    transition: background .2s ease, color .2s ease; }
  .navlinks .cta:hover, .navlinks .cta:focus-visible { background: var(--accent); color: var(--accent-ink); }
  @media (max-width: 940px) { .navlinks a:not(.cta) { display: none; } }

  main { counter-reset: sec; }

  /* ---- hero ---- */
  .hero { padding-block: clamp(3rem, 8vw, 6.5rem) clamp(2.6rem, 6vw, 4.5rem); }
  .hero h1 { font-size: clamp(2.05rem, 8.6vw, 6.8rem); line-height: 1.12; font-weight: 800; letter-spacing: .01em; }
  .hero h1 span { display: block; }
  .hero h1 .mg { color: var(--accent); }
  /* 見出しと立体を左右に組む。立体は見出しの隣に置き、文字の下には潜らせない */
  .hero-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 34%); gap: clamp(1rem, 3vw, 2.4rem); align-items: center; }
  @media (min-width: 761px) { .hero h1 { font-size: clamp(2.05rem, 5.9vw, 4.9rem); } }
  @media (max-width: 760px) { .hero-top { grid-template-columns: minmax(0, 1fr); gap: .6rem; } }

  /* ---- 紙の上の線画立体（Three.js。失敗時は静的SVG） ---- */
  .fig3d { position: relative; margin: 0; min-width: 0; }
  .fig3d canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: 0; transition: opacity 1.1s var(--ease); pointer-events: none; }
  .fig3d.is-3d canvas { opacity: 1; }
  .fig-fallback { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity .6s ease; }
  .fig3d.is-3d .fig-fallback { opacity: 0; visibility: hidden; }
  /* 印刷のトンボ（四隅の見当）で「図版」の枠を示す */
  .fig3d::before, .fig3d::after { content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none; border: 0 solid var(--ink-faint); }
  .fig3d::before { top: 0; left: 0; border-top-width: 1px; border-left-width: 1px; }
  .fig3d::after { right: 0; bottom: 0; border-right-width: 1px; border-bottom-width: 1px; }
  .fig-hero { aspect-ratio: 5 / 4; max-height: 330px; width: 100%; }
  @media (max-width: 760px) { .fig-hero { aspect-ratio: auto; height: 210px; max-height: none; } }
  .fig-city { aspect-ratio: 4 / 3; width: 100%; border-bottom: 1px solid var(--rule); }
  .fig-city::after { bottom: -1px; }
  @media (max-width: 860px) { .fig-city { aspect-ratio: 16 / 10; } }

  .hero-rule { border: 0; border-top: 1px solid var(--rule); margin: clamp(2rem, 5vw, 3.4rem) 0 0; }
  .hero-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 2rem clamp(1rem, 3vw, 2.4rem); padding-top: clamp(1.6rem, 3.6vw, 2.4rem); }
  .hero-main { grid-column: 1 / span 7; }
  .hero-aside { grid-column: 9 / span 4; display: flex; flex-direction: column; gap: 1.6rem; }
  @media (max-width: 900px) { .hero-main, .hero-aside { grid-column: 1 / -1; } }
  .hero .lead { font-size: clamp(1.02rem, 1.7vw, 1.2rem); line-height: 1.95; color: var(--ink-soft); max-width: 38em; }
  .hud { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; color: var(--ink-faint);
    display: flex; flex-wrap: wrap; gap: .3rem .7rem; align-items: center; padding-bottom: 1.1rem; border-bottom: 1px solid var(--hair); }
  .hud b { color: var(--ink); font-weight: 700; }
  .hud .sep { color: var(--hair); }
  .cursor { display: inline-block; width: .5em; height: .5em; background: var(--accent); }
  .hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-top: 2.2rem; }

  .btn { font-family: var(--font-sans); font-weight: 700; font-size: .92rem; letter-spacing: .06em; padding: .9rem 1.5rem;
    display: inline-flex; align-items: center; gap: .5rem; border: 1px solid var(--ink); cursor: pointer; border-radius: 0;
    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s var(--ease); }
  .btn:active { transform: translateY(1px); }
  .btn-primary { background: var(--ink); color: var(--paper); }
  .btn-primary:hover, .btn-primary:focus-visible { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
  .btn-ghost { background: transparent; color: var(--ink); }
  .btn-ghost:hover, .btn-ghost:focus-visible { background: var(--ink); color: var(--paper); }

  .badge-final { display: block; border-top: 3px solid var(--accent); padding-top: .9rem; font-family: var(--font-serif);
    font-size: 1.08rem; font-weight: 700; line-height: 1.6; color: var(--ink); transition: color .2s ease; }
  .badge-final:hover, .badge-final:focus-visible { color: var(--accent); }
  .badge-final .dot { display: none; }
  .badge-lbl { display: block; font-family: var(--font-sans); font-size: .68rem; letter-spacing: .2em; color: var(--accent); margin-bottom: .35rem; }

  /* ---- marquee（紙面の帯） ---- */
  .marquee { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); overflow: hidden; padding-block: .85rem; background: var(--paper-2); }
  .mq-track { display: inline-flex; gap: 1.6rem; white-space: nowrap; will-change: transform; animation: mq 70s linear infinite; }
  .marquee:hover .mq-track { animation-play-state: paused; }
  .mq-track span { font-family: var(--font-serif); font-size: .95rem; font-weight: 600; color: var(--ink);
    display: inline-flex; align-items: center; gap: 1.6rem; }
  .mq-track span::after { content: ""; width: 6px; height: 6px; background: var(--accent); transform: rotate(45deg); }
  @keyframes mq { to { transform: translateX(-50%); } }

  /* ---- section frame ---- */
  .section { padding-block: clamp(3.6rem, 9vw, 7rem); counter-increment: sec; border-top: 1px solid var(--rule); }
  .section.alt { background: var(--paper-2); }
  .head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem clamp(1rem, 3vw, 2.4rem); align-items: start; }
  .head > .eyebrow { grid-column: 1 / span 3; padding-top: .9rem; border-top: 3px solid var(--rule); }
  .head > .head-txt { grid-column: 4 / -1; }
  @media (max-width: 800px) { .head > .eyebrow, .head > .head-txt { grid-column: 1 / -1; } }
  .section h2 { font-size: clamp(1.75rem, 4.4vw, 3.2rem); font-weight: 700; line-height: 1.3; letter-spacing: .01em; }
  .section .sub { color: var(--ink-soft); margin-top: 1.1rem; max-width: 40em; font-size: 1rem; }

  .block-label { font-size: .68rem; font-weight: 700; letter-spacing: .2em; color: var(--ink-faint); margin-bottom: .8rem; }

  /* ---- 実績 ---- */
  .work { margin-top: clamp(2.4rem, 5vw, 3.6rem); border-top: 3px solid var(--rule); }
  .work-index { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; align-items: baseline; padding-block: 1rem; border-bottom: 1px solid var(--rule);
    font-size: .82rem; font-weight: 500; color: var(--ink-soft); }
  .work-index span:first-child { font-family: var(--font-serif); font-size: 1.6rem; font-weight: 800; color: var(--ink); line-height: 1; }
  .work-index .final { color: var(--accent-ink); background: var(--accent); padding: .1em .7em; font-weight: 700; font-size: .74rem; letter-spacing: .12em; }
  .work-body { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr); gap: clamp(1.8rem, 5vw, 4rem); padding-block: clamp(1.8rem, 4vw, 2.8rem); }
  @media (max-width: 860px) { .work-body { grid-template-columns: minmax(0, 1fr); } }
  .work-title { font-size: clamp(2rem, 5.4vw, 3.6rem); font-weight: 800; line-height: 1.15; }
  .work-title small { display: block; font-family: var(--font-sans); font-size: .82rem; font-weight: 700; color: var(--accent);
    letter-spacing: .1em; margin-top: .8rem; }
  .work-lede { color: var(--ink-soft); font-size: 1.02rem; margin-top: 1.3rem; max-width: 40em; }
  .feat { margin: 1.6rem 0 0; padding: 0; list-style: none; counter-reset: feat; border-top: 1px solid var(--hair); }
  .feat li { counter-increment: feat; display: grid; grid-template-columns: 2.4rem 1fr; gap: .4rem; padding-block: .75rem;
    border-bottom: 1px solid var(--hair); font-size: .95rem; color: var(--ink); }
  .feat li::before { content: counter(feat, decimal-leading-zero); font-family: var(--font-serif); font-weight: 700; color: var(--accent); }
  .work-side { display: flex; flex-direction: column; gap: 1.8rem; border-left: 1px solid var(--hair); padding-left: clamp(1.2rem, 3vw, 2rem); }
  @media (max-width: 860px) { .work-side { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 1.4rem; } }
  .meta { display: flex; flex-direction: column; font-size: .92rem; }
  .meta div { display: grid; grid-template-columns: 4.5em 1fr; gap: .8rem; padding-block: .55rem; border-bottom: 1px solid var(--hair); }
  .meta div span:first-child { color: var(--ink-faint); font-size: .76rem; font-weight: 700; letter-spacing: .12em; padding-top: .15em; }
  .work-links { display: flex; flex-wrap: wrap; gap: .6rem; }
  .work-links .btn { font-size: .84rem; padding: .7rem 1.1rem; }

  .contest { background: var(--paper); border: 1px solid var(--rule); padding: clamp(1.3rem, 3.6vw, 2.6rem); }
  .section.alt .contest { background: var(--paper); }
  /* 「大会について」は閉じた状態から開く展開式 */
  details.contest { padding: 0; transition: border-color .2s ease; }
  details.contest > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: clamp(1rem, 2.6vw, 1.4rem) clamp(1.3rem, 3.6vw, 2.6rem); user-select: none; }
  details.contest > summary::-webkit-details-marker { display: none; }
  details.contest > summary:focus-visible { outline-offset: -5px; }
  .contest-sum-t { display: flex; align-items: center; gap: .8rem; font-family: var(--font-serif); font-size: clamp(1.08rem, 1.9vw, 1.3rem); font-weight: 700;
    color: var(--ink); letter-spacing: .04em; transition: color .2s ease; }
  .contest-sum-t::before { content: ""; width: 8px; height: 8px; background: var(--accent); transform: rotate(45deg); flex: none; }
  /* 開閉の印：線2本の「＋」。開くと縦線が倒れて「−」になる */
  .pm { position: relative; width: 34px; height: 34px; flex: none; border: 1px solid var(--ink); transition: background .2s ease, border-color .2s ease; }
  .pm::before, .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; margin: -.75px 0 0 -6px; background: var(--ink);
    transition: transform .35s var(--ease), background .2s ease; }
  .pm::after { transform: rotate(90deg); }
  details.contest[open] .pm::after { transform: rotate(0deg); }
  details.contest > summary:hover .pm, details.contest > summary:focus-visible .pm { background: var(--accent); border-color: var(--accent); }
  details.contest > summary:hover .pm::before, details.contest > summary:hover .pm::after,
  details.contest > summary:focus-visible .pm::before, details.contest > summary:focus-visible .pm::after { background: var(--accent-ink); }
  details.contest > summary:hover .contest-sum-t { color: var(--accent); }
  .contest-body { padding: 0 clamp(1.3rem, 3.6vw, 2.6rem) clamp(1.3rem, 3.6vw, 2.6rem); }
  details.contest[open] > summary { border-bottom: 1px solid var(--hair); margin-bottom: clamp(1.1rem, 2.6vw, 1.6rem); }
  details.contest[open] .contest-body { animation: contest-in .5s var(--ease); }
  @keyframes contest-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
  /* 対応ブラウザでは高さもなめらかに（非対応は即時に開くだけ） */
  @supports selector(::details-content) {
    details.contest { interpolate-size: allow-keywords; }
    details.contest::details-content { block-size: 0; overflow: hidden;
      transition: block-size .45s var(--ease), content-visibility .45s allow-discrete; }
    details.contest[open]::details-content { block-size: auto; }
  }
  .contest-lede { font-family: var(--font-serif); font-size: clamp(1.02rem, 1.8vw, 1.2rem); font-weight: 600; line-height: 1.9; max-width: 42em; }
  .contest-facts { margin: 1.8rem 0 0; border-top: 1px solid var(--rule); }
  .contest-facts div { display: grid; grid-template-columns: 9em 1fr; gap: 1rem; padding-block: .8rem; border-bottom: 1px solid var(--hair); }
  .contest-facts dt { font-size: .76rem; font-weight: 700; letter-spacing: .12em; color: var(--ink-faint); padding-top: .15em; }
  .contest-facts dd { margin: 0; font-size: .93rem; }
  @media (max-width: 560px) { .contest-facts div { grid-template-columns: 1fr; gap: .15rem; } }
  .timeline { list-style: none; margin: 2.2rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .6rem; }
  .timeline li { position: relative; padding-top: 1.2rem; font-size: .84rem; color: var(--ink-soft); border-top: 2px solid var(--rule); }
  .timeline li::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; background: var(--paper); border: 2px solid var(--rule); }
  .timeline li span { display: block; font-family: var(--font-serif); font-size: 1.15rem; font-weight: 700; color: var(--ink); line-height: 1.4; }
  .timeline li.done::before { background: var(--ink); }
  .timeline li.next { color: var(--accent); border-top-color: var(--accent); font-weight: 700; }
  .timeline li.next::before { background: var(--accent); border-color: var(--accent); }
  .timeline li.next span { color: var(--accent); }
  @media (max-width: 640px) {
    .timeline { grid-template-columns: 1fr; gap: 0; border-left: 2px solid var(--rule); margin-left: .35rem; }
    .timeline li { border-top: 0; padding: 0 0 1rem 1.3rem; }
    .timeline li::before { top: .45rem; left: -8px; }
    .timeline li.next { border-top: 0; }
  }

  /* ---- 事業内容 ---- */
  .units { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: clamp(2.4rem, 5vw, 3.6rem); border-top: 1px solid var(--rule); }
  @media (max-width: 960px) { .units { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 600px) { .units { grid-template-columns: minmax(0, 1fr); } }
  .unit { padding: 1.6rem clamp(1rem, 2.4vw, 1.8rem) 1.9rem; border-bottom: 1px solid var(--hair); border-right: 1px solid var(--hair);
    transition: background .25s ease; }
  .unit:hover { background: var(--paper-2); }
  @media (min-width: 961px) { .unit:nth-child(3n) { border-right: 0; } .unit:nth-child(3n+1) { padding-left: 0; } }
  @media (min-width: 601px) and (max-width: 960px) { .unit:nth-child(2n) { border-right: 0; } .unit:nth-child(2n+1) { padding-left: 0; } }
  @media (max-width: 600px) { .unit { border-right: 0; padding-inline: 0; } .unit:hover { background: transparent; } }
  .unit .st-n { display: block; font-family: var(--font-serif); font-size: 2.4rem; font-weight: 800; line-height: 1; color: var(--hair); transition: color .25s ease; }
  .unit:hover .st-n { color: var(--accent); }
  .unit h3 { font-size: 1.2rem; font-weight: 700; line-height: 1.5; margin: 1rem 0 .6rem; }
  .unit p { font-size: .9rem; color: var(--ink-soft); line-height: 1.85; }

  /* ---- プロダクト（目次型の一覧） ---- */
  .grid-products { margin-top: clamp(2.4rem, 5vw, 3.6rem); border-top: 3px solid var(--rule); }
  .prod { display: grid; grid-template-columns: 11rem minmax(0, 1fr) 10rem; gap: .6rem 2rem; align-items: baseline;
    padding: 1.6rem 0; border-bottom: 1px solid var(--rule); position: relative; transition: background .25s ease; }
  .prod .kind { grid-column: 1; grid-row: 1 / span 2; font-size: .7rem; font-weight: 700; letter-spacing: .16em; color: var(--ink-faint); text-transform: uppercase; padding-top: .55rem; }
  .prod h3 { grid-column: 2; font-size: clamp(1.4rem, 2.8vw, 2rem); font-weight: 700; line-height: 1.3; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
    transition: color .2s ease; }
  .prod p { grid-column: 2; font-size: .93rem; color: var(--ink-soft); max-width: 44em; }
  .prod .go { grid-column: 3; grid-row: 1 / span 2; justify-self: end; align-self: center; font-size: .82rem; font-weight: 700; letter-spacing: .06em;
    border-bottom: 1px solid currentColor; padding-bottom: .1rem; transition: color .2s ease; white-space: nowrap; }
  .prod a.go::before { content: ""; position: absolute; inset: 0; }
  .prod:has(a.go):hover { background: var(--paper); }
  .prod:has(a.go):hover h3, .prod a.go:hover, .prod a.go:focus-visible { color: var(--accent); }
  .prod .go.muted { color: var(--ink-faint); border-bottom-style: dotted; }
  @media (max-width: 800px) {
    .prod { grid-template-columns: minmax(0, 1fr); gap: .5rem; }
    .prod .kind, .prod h3, .prod p, .prod .go { grid-column: 1; grid-row: auto; }
    .prod .kind { padding-top: 0; }
    .prod .go { justify-self: start; margin-top: .4rem; }
  }
  .status { font-family: var(--font-sans); font-size: .64rem; letter-spacing: .1em; padding: .2em .6em; font-weight: 700; flex: none; border: 1px solid currentColor; line-height: 1.5; }
  .status.live { color: var(--ok); }
  .status.new  { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
  .status.soon { color: var(--ink-faint); border-style: dashed; }
  .status.plan { color: var(--warn); }

  /* ---- 体制 ---- */
  .team-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 2.4rem clamp(1rem, 3vw, 2.4rem); align-items: start; margin-top: clamp(2.4rem, 5vw, 3.6rem); }
  .team-grid > :first-child { grid-column: 1 / span 6; }
  .team-grid > :last-child { grid-column: 8 / -1; }
  @media (max-width: 860px) { .team-grid > :first-child, .team-grid > :last-child { grid-column: 1 / -1; } }
  .team-big { font-family: var(--font-serif); font-size: clamp(1.35rem, 2.7vw, 1.95rem); font-weight: 600; line-height: 1.75; }
  .team-big em { font-style: normal; font-weight: 800; color: var(--accent); background: linear-gradient(transparent 72%, var(--accent-wash) 72%); }
  .team-note { font-size: .92rem; color: var(--ink-soft); margin-top: 1.8rem; padding-left: 1rem; border-left: 3px solid var(--accent); }
  .flow { display: flex; flex-direction: column; border-top: 3px solid var(--rule); counter-reset: flow; }
  .flow-row { counter-increment: flow; display: grid; grid-template-columns: 2.2rem 7.4em 1fr; gap: .9rem; padding-block: 1rem; border-bottom: 1px solid var(--hair); align-items: baseline; }
  .flow-row::before { content: counter(flow, decimal-leading-zero); font-family: var(--font-serif); font-weight: 700; color: var(--ink-faint); font-size: .95rem; }
  .flow-who { font-size: .74rem; font-weight: 700; letter-spacing: .16em; color: var(--ink); }
  .flow-who.ai { color: var(--accent); }
  .flow-what { font-size: .93rem; color: var(--ink-soft); }
  @media (max-width: 520px) { .flow-row { grid-template-columns: 2.2rem 1fr; gap: .2rem .6rem; } .flow-what { grid-column: 2; } }

  /* ---- 事業者情報 ---- */
  .company-wrap { margin: clamp(2.4rem, 5vw, 3.6rem) 0 0; border-top: 3px solid var(--rule); border-bottom: 1px solid var(--rule); }
  .crow { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: .4rem clamp(1rem, 3vw, 2.4rem); padding-block: 1.2rem; border-bottom: 1px solid var(--hair); align-items: baseline; }
  .crow:last-child { border-bottom: 0; }
  .crow dt { grid-column: 1 / span 3; font-family: var(--font-serif); font-size: .98rem; font-weight: 700; margin: 0; }
  .crow dd { grid-column: 4 / -1; margin: 0; font-size: .96rem; }
  .crow dd .note { display: block; font-size: .82rem; color: var(--ink-faint); margin-top: .3rem; }
  .crow dd a { color: var(--accent); border-bottom: 1px solid currentColor; transition: color .2s ease; }
  .crow dd a:hover, .crow dd a:focus-visible { color: var(--ink); }
  @media (max-width: 600px) { .crow dt, .crow dd { grid-column: 1 / -1; } }

  /* ---- お問い合わせ ---- */
  .contact-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(2rem, 5vw, 4rem); margin-top: clamp(2.4rem, 5vw, 3.6rem); align-items: start; }
  @media (max-width: 860px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
  .form { display: flex; flex-direction: column; gap: 1.3rem; border-top: 3px solid var(--rule); padding-top: 1.6rem; min-width: 0; }
  .field { display: flex; flex-direction: column; gap: .45rem; }
  .field label { font-size: .74rem; font-weight: 700; letter-spacing: .14em; color: var(--ink); }
  .field input, .field select, .field textarea {
    font-family: inherit; font-size: 1rem; color: var(--ink); background: var(--field);
    border: 1px solid var(--hair); border-bottom-color: var(--ink); border-radius: 0; padding: .8rem .9rem; width: 100%; line-height: 1.6;
    transition: border-color .2s ease, box-shadow .2s ease; }
  .field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
  .field textarea { min-height: 150px; resize: vertical; }
  .field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ink-faint); border-bottom-color: var(--ink); }
  .field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 2px 0 0 var(--accent); }
  .field select { appearance: none; cursor: pointer;
    background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
    background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 2.6rem; }
  .field select option { background: var(--field); color: var(--ink); }
  .form-actions { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; }
  .form-note { font-size: .84rem; color: var(--ink-soft); }
  .form-note b { color: var(--accent); }
  .copied { font-size: .8rem; font-weight: 700; color: var(--ok); opacity: 0; transition: opacity .2s ease; }
  .copied.on { opacity: 1; }
  .preview pre { margin: 0; font-family: var(--font-mono); font-size: .8rem; line-height: 1.8; color: var(--ink);
    background: var(--paper-2); border: 1px solid var(--hair); border-left: 3px solid var(--accent);
    padding: 1rem 1.1rem; white-space: pre-wrap; word-break: break-word; user-select: all; max-height: 320px; overflow-y: auto; }

  .ch-list { display: flex; flex-direction: column; border-top: 3px solid var(--rule); min-width: 0; }
  .ch { display: flex; gap: 1rem; align-items: flex-start; padding: 1.3rem .2rem; border-bottom: 1px solid var(--rule); transition: background .2s ease; }
  a.ch:hover, a.ch:focus-visible { background: var(--paper-2); }
  a.ch:hover .ch-t { color: var(--accent); }
  .ch-ico { width: 34px; height: 34px; flex: none; display: grid; place-items: center; border: 1px solid var(--ink);
    font-family: var(--font-serif); font-size: .95rem; font-weight: 800; transition: background .2s ease, color .2s ease; }
  a.ch:hover .ch-ico { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
  .ch-b { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
  .ch-t { font-family: var(--font-serif); font-weight: 700; font-size: 1.08rem; transition: color .2s ease; }
  .ch-d { font-size: .84rem; color: var(--ink-soft); }
  .ch-v { font-family: var(--font-mono); font-size: .82rem; color: var(--accent); word-break: break-all; }
  .mini { font-family: var(--font-sans); font-size: .74rem; font-weight: 700; letter-spacing: .06em; color: var(--ink);
    border: 1px solid var(--ink); background: transparent; border-radius: 0; padding: .35em .8em; cursor: pointer; margin-top: .6rem;
    transition: background .2s ease, color .2s ease; align-self: flex-start; }
  .mini:hover, .mini:focus-visible { background: var(--ink); color: var(--paper); }

  footer { border-top: 3px solid var(--rule); padding-block: 2.4rem 3rem; }
  .foot { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: space-between; align-items: center; font-size: .84rem; color: var(--ink-soft); }
  .foot-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
  .foot-links a { border-bottom: 1px solid transparent; transition: color .2s ease, border-color .2s ease; }
  .foot-links a:hover, .foot-links a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }

  .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .reveal.in { opacity: 1; transform: none; }
  .reveal.d1 { transition-delay: .06s; } .reveal.d2 { transition-delay: .12s; } .reveal.d3 { transition-delay: .18s; }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .mq-track { animation: none; }
    .reveal { opacity: 1 !important; transform: none !important; transition: none; }
    * { transition-duration: 0s !important; }
    details.contest[open] .contest-body { animation: none; }
  }

  /* ================================================================
     公開版で足したもの（インライン style 属性の置き換え・フォーム状態・下層ページ）
     ================================================================ */
  [hidden] { display: none !important; }
  .nowrap { white-space: nowrap; }
  .brand-foot { font-size: 1.02rem; }
  .logo-sm { width: 20px; height: 20px; }

  /* フォーム：入力エラー・送信状態・同意文・ハニーポット */
  .field-err { font-size: .8rem; font-weight: 700; color: var(--accent); margin: 0; }
  .field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--accent); border-bottom-color: var(--accent); }
  .btn[disabled] { opacity: .55; cursor: progress; transform: none; }
  .form-status { font-size: .9rem; line-height: 1.8; padding: .8rem 1rem; border-left: 3px solid currentColor; background: var(--paper-2); }
  .form-status.is-busy { color: var(--ink-soft); }
  .form-status.is-ok { color: var(--ok); font-weight: 700; }
  .form-status.is-err { color: var(--accent); font-weight: 700; }
  .form-consent { font-size: .8rem; color: var(--ink-faint); }
  .form-consent a, .foot-links a.pp { color: inherit; }
  .form-consent a { color: var(--accent); border-bottom: 1px solid currentColor; transition: color .2s ease; }
  .form-consent a:hover, .form-consent a:focus-visible { color: var(--ink); }
  .hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

  /* 下層ページ（プライバシーポリシー・404） */
  .page-title { font-size: clamp(1.75rem, 4.4vw, 3.2rem); font-weight: 700; line-height: 1.3; letter-spacing: .01em; }
  .doc { max-width: 46em; margin-top: clamp(2.4rem, 5vw, 3.6rem); border-top: 3px solid var(--rule); padding-top: 1.6rem; }
  .doc > p { color: var(--ink-soft); }
  .doc h2 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); line-height: 1.5; margin: 2.6rem 0 .9rem; padding-top: 1.1rem; border-top: 1px solid var(--hair); }
  .doc h2:first-of-type { margin-top: 1.6rem; }
  .doc p + p, .doc ul + p, .doc dl + p { margin-top: .9rem; }
  .doc ul { margin: .8rem 0 0; padding-left: 1.3em; color: var(--ink-soft); }
  .doc li { margin-top: .35rem; }
  .doc dl { margin: .8rem 0 0; border-top: 1px solid var(--hair); }
  .doc dl div { display: grid; grid-template-columns: 7em 1fr; gap: 1rem; padding-block: .6rem; border-bottom: 1px solid var(--hair); }
  .doc dt { font-size: .8rem; font-weight: 700; letter-spacing: .1em; color: var(--ink-faint); padding-top: .15em; }
  .doc dd { margin: 0; }
  .doc a { color: var(--accent); border-bottom: 1px solid currentColor; word-break: break-all; }
  .doc a:hover, .doc a:focus-visible { color: var(--ink); }
  .doc .dates { margin-top: 2.8rem; padding-top: 1.1rem; border-top: 1px solid var(--rule); font-size: .88rem; color: var(--ink-faint); }
  @media (max-width: 520px) { .doc dl div { grid-template-columns: 1fr; gap: .1rem; } }
  .nf { padding-block: clamp(4rem, 12vw, 8rem); }
  .nf-code { display: block; font-family: var(--font-serif); font-weight: 800; font-size: clamp(4.5rem, 18vw, 10rem); line-height: 1; color: var(--accent); letter-spacing: .02em; }
  .nf h1 { font-size: clamp(1.6rem, 4.4vw, 2.8rem); line-height: 1.3; margin-top: 1.4rem; }
  .nf p { color: var(--ink-soft); margin-top: 1rem; max-width: 36em; }
  .nf .hero-cta { margin-top: 2rem; }